Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD

See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG

To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html


Study Counts

Type Study_count
Total_Studies 789
interventional 615
Observational 158
Registry 16

Studies over Time by Start Date

```

Interventional Trials

Intervention Type

intervention_type Study_Count
Device 223
Drug 145
Procedure 108
Device|Procedure 37
Drug|placebo 23
Other 23
Drug|Other 16
Drug|Procedure 8
Device|Other 6
Behavioral 4
Dietary Supplement|placebo 4
Device|Drug|Procedure 3
Diagnostic Test 3
Combination Product|placebo 2
Dietary Supplement 2
Behavioral|Other 1
Biological|placebo 1
Combination Product|Drug 1
Device|Drug 1
Diagnostic Test|Procedure 1
Dietary Supplement|Drug 1
Other|placebo 1
placebo 1

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Yearly studies for each intervention by start date

Studies by Country

Country Study_Count
United States 216
NA 79
China 50
Austria 45
Brazil 18
Germany 15
India 15
France 14
Egypt 13
Canada 12
Korea, Republic of 12
Italy 10
Greece 8
Japan 8
United Kingdom 8
Mexico 6
Philippines 6
Switzerland 6
Spain 5
Iran, Islamic Republic of 4
Netherlands 4
Singapore 4
Australia 3
Belgium 3
Hungary 3
Israel 3
Sweden 3
Costa Rica 2
Croatia 2
Czech Republic|India 2
France|Germany|Spain 2
Taiwan 2
Thailand 2
Australia|Canada|Spain|United Kingdom 1
Australia|France|Germany|Italy|Netherlands|Spain|United Kingdom 1
Austria|Belgium|Germany|Hungary|Netherlands|Portugal|Spain 1
Austria|Belgium|Germany|Italy|Poland|Portugal|Spain|Turkey|United Kingdom 1
Austria|Germany|Netherlands|Spain|Turkey 1
Belgium|Germany|Netherlands|Spain|Turkey 1
Czechia 1
Czechia|Philippines|Spain 1
Denmark 1
Dominican Republic 1
Germany|Italy|Netherlands|Spain 1
Germany|Italy|Romania 1
Germany|Spain|Switzerland 1
Hong Kong 1
Kenya 1
Liberia 1
Malaysia 1
Mexico|Philippines 1
Nepal 1
New Zealand 1
New Zealand|Philippines 1
New Zealand|Philippines|Singapore 1
Nigeria 1
Norway 1
Saudi Arabia 1
United States|Australia|Bulgaria|Canada|Czechia|France|Greece|Hungary|India|Latvia|Mexico|New Zealand|Poland|Russian Federation|Slovakia|Slovenia|South Africa|Ukraine 1
United States|Canada|Germany|Italy|Mexico|Philippines|Poland|Spain|United Kingdom 1
United States|India 1
United States|Mexico 1
United States|United Kingdom 1

Sites per Study

Site_count Study_Count
1 500
2 30
3 11
4 11
5 5
6 7
7 3
8 4
9 3
10 1
11 5
12 3
13 3
14 2
15 3
16 2
17 2
18 1
19 2
20 2
21 2
22 3
23 1
24 2
31 1
38 1
39 1
44 1
57 1
91 1
172 1

Phase

Phase Study_Count
N/A 358
Phase 4 128
Phase 3 76
Phase 2 33
Phase 1/Phase 2 9
Phase 1 7
Early Phase 1 3
Phase 2/Phase 3 1

Number of Arms

Number_of_Arms Count_of_Studies
1 130
2 360
3 59
4 21
5 1
6 2
7 2
8 1
NA 39

Enrollment Metrics by Phase

Measure Early.Phase.1 N.A Phase.1 Phase.1.Phase.2 Phase.2 Phase.2.Phase.3 Phase.3 Phase.4
Min. 10.0000 2.000 4.0000 30.00000 6.0000 160 18.0000 8.0000
1st Qu. 60.0000 45.000 25.5000 60.00000 56.0000 160 170.7500 40.0000
Median 110.0000 76.000 35.0000 60.00000 100.0000 160 268.5000 60.0000
Mean 206.6667 3099.852 145.8571 73.88889 166.6667 160 669.3553 279.8417
3rd Qu. 305.0000 162.000 243.0000 80.00000 172.0000 160 523.2500 112.5000
Max. 500.0000 1000000.000 445.0000 169.00000 1342.0000 160 13475.0000 21445.0000

Trial Group Type

group_type Group_Count
Experimental 486
Active Comparator 453
Other 88
Placebo Comparator 86
NA 39
No Intervention 31
Sham Comparator 6

Intervention Model

intervention_model Study_Count
Parallel Assignment 434
Single Group Assignment 160
Crossover Assignment 10
Factorial Assignment 7
NA 4

Primary Purpose

primary_purpose Study_Count
Treatment 434
Prevention 48
NA 33
Other 32
Diagnostic 26
Health Services Research 13
Supportive Care 13
Basic Science 11
Screening 3
Device Feasibility 2

Observational Studies

Studies by Country

Country Study_Count
United States 52
NA 27
China 17
France 9
Austria 8
India 5
Spain 4
Germany 3
Israel 3
Italy 3
Korea, Republic of 3
Poland 3
Switzerland 3
Turkey 3
Denmark 2
United Kingdom 2
Brazil 1
Egypt 1
Germany|Italy|Norway|Spain 1
Greece 1
Hungary 1
Japan 1
Norway 1
Pakistan 1
Taiwan 1
United States|Austria 1
United States|China|India|Italy|Pakistan 1

Sites per Study

Site_count Study_Count
1 142
2 7
3 2
4 1
5 3
7 1
22 1
31 1

Enrollment Metrics

Measure Observational
Min 9.000
1st Qu 50.500
Median 100.000
Mean 1437.937
3rd Qu 251.500
Max 61433.000

Observation Model

observational_model Study_Count
Cohort 68
Case-Only 27
NA 20
Case-Control 15
Case Control 15
Other 12
Case-Crossover 1

Time Perspective

time_perspective Study_Count
Prospective 101
Retrospective 31
Cross-Sectional 12
NA 11
Other 3

Registries

Studies by Country

Country Study_Count
China 7
NA 3
United States 2
India 1
Korea, Republic of 1
Turkey 1
United States|Australia 1

Sites per Study

Site_count Study_Count
1 14
2 1
18 1

Enrollment Metrics

Measure Registries
Min 10.00
1st Qu 45.00
Median 110.00
Mean 5900.25
3rd Qu 1267.50
Max 60000.00

Registry Model

observational_model Study_Count
Cohort 6
Case-Only 4
Other 3
Case-Control 2
NA 1

Time Perspective

time_perspective Study_Count
Prospective 13
Cross-Sectional 3

Follow-up

target_duration Study_Count
3 Months 4
6 Months 2
1 Week 1
1 Year 1
10 Years 1
100 Years 1
12 Months 1
180 Days 1
3 Years 1
36 Months 1
5 Years 1
9 Months 1

Overview of Studies

Interventional Trials

#If less then 500 trials

Observational Studiess

#If less then 500 studies

nct_id brief_title link overall_status source primary_completion_date
NCT04327856 The Subjective Pre-, Intra-, and Postoperatively Experiences of Patients Undergoing Cataract Surgery. https://ClinicalTrials.gov/show/NCT04327856 Completed Medical University of Bialystok 2020-04-15
NCT03713268 Intraoperative OCT Guidance of Intraocular Surgery II https://ClinicalTrials.gov/show/NCT03713268 Recruiting Duke University 2023-05-31
NCT03375996 Evaluation of a Protocol of Pupil Dilation Before Laser-assisted Cataract Surgery https://ClinicalTrials.gov/show/NCT03375996 Recruiting CHU de Reims 2020-03-31
NCT03371576 Clinical Analysis of Two Toric Intraocular Lenses https://ClinicalTrials.gov/show/NCT03371576 Completed Hospital Hietzing 2015-08-01
NCT03367767 Age-Related Eye Disease Study 2 (AREDS2) 10-year Follow-On https://ClinicalTrials.gov/show/NCT03367767 Completed National Institutes of Health Clinical Center (CC) 2019-03-21
NCT04187157 Association Between Light Spectrum and Survival After Cataract Surgery https://ClinicalTrials.gov/show/NCT04187157 Completed University of Pittsburgh 2019-04-30
NCT03824028 Post-Market Clinical Survey of Clareon® IOL AutonoMe™ in Japanese Subjects https://ClinicalTrials.gov/show/NCT03824028 Active, not recruiting Alcon Research 2020-11-30
NCT03823092 Polarization Perception in Health and Disease. Testing a New Sight Test https://ClinicalTrials.gov/show/NCT03823092 Recruiting South Warwickshire NHS Foundation Trust 2019-04-30
NCT03329976 Validation of a Prognostic Score for Good Visual Recovery at One Year Following Combined Surgery for Cataract and Idiopathic Epiretinal Membrane https://ClinicalTrials.gov/show/NCT03329976 Recruiting Centre Hospitalier Universitaire Dijon 2020-10-31
NCT03314766 Evaluation of Long-Term Clinical Acceptability and Satisfaction With the IC-8 Intraocular Lens https://ClinicalTrials.gov/show/NCT03314766 Recruiting AcuFocus, Inc. 2018-10-20
NCT03298841 Clinical Comparison of Length of Cataract Procedures With Zeiss Lumera Versus Older Zeiss Microscope https://ClinicalTrials.gov/show/NCT03298841 Completed Toyos Clinic 2017-09-20
NCT03260673 Corneal Endothelial Cell Changes After Phacoemulsification in Patients With Type 2 Diabetes Mellitus https://ClinicalTrials.gov/show/NCT03260673 Completed Beijing Tsinghua Chang Gung Hospital 2016-06-30
NCT03184428 Posterior Capsule Opacification Following Cataract Surgery With Implantation of the MICS IOL L313 https://ClinicalTrials.gov/show/NCT03184428 Completed Dietrich-Bonhoeffer-Klinikum 2018-03-01
NCT03169855 Validation of Mesopic and Photopic Contrast Vision Tests With Respect to Nighttime Driving Ability https://ClinicalTrials.gov/show/NCT03169855 Completed Aalen University 2018-12-31
NCT03162471 How Astigmatism Influences Corneal Biomechanics and Intraocular Pressure https://ClinicalTrials.gov/show/NCT03162471 Completed Medical Universtity of Lodz 2016-12-01
NCT03152747 Influence of Posterior Vitreous Detachment on Retinal Detachment After Lens Surgery in Myopic Eyes https://ClinicalTrials.gov/show/NCT03152747 Recruiting Vienna Institute for Research in Ocular Surgery 2018-05-31
NCT03073681 Satisfaction & Spectacle Independence With ReSTOR 2.5 & ReSTOR 3.0 IOLs https://ClinicalTrials.gov/show/NCT03073681 Completed MDbackline, LLC 2019-05-22
NCT02875145 Impact of Cataract Surgery on Keratoplasty Graft Survival https://ClinicalTrials.gov/show/NCT02875145 Completed Centre Hospitalier Universitaire de Besancon 2015-08-31
NCT02841670 Evaluation of Efficacy and Long-term Safety for the InFo - Instant Focus © Lens / PMCF https://ClinicalTrials.gov/show/NCT02841670 Completed SAV-IOL SA 2017-12-31
NCT02793869 A Novel Congenital Cataract Category System https://ClinicalTrials.gov/show/NCT02793869 Completed Sun Yat-sen University 2015-12-31
NCT02765230 An Interocular Comparative Study of Unilateral Cataract https://ClinicalTrials.gov/show/NCT02765230 Completed Sun Yat-sen University 2016-01-31
NCT02761850 Developmental Profile of Ocular Refraction in Patients With Congenital Cataract https://ClinicalTrials.gov/show/NCT02761850 Completed Sun Yat-sen University 2016-01-31
NCT02740010 The Visual Performances of a Progressive Multifocal Intraocular Lens With Extended Depth of Focus https://ClinicalTrials.gov/show/NCT02740010 Recruiting SIFI SpA 2020-04-30
NCT02698943 Glistenings and PCO Evaluation for the Envista MX60 https://ClinicalTrials.gov/show/NCT02698943 Completed Democritus University of Thrace 2016-02-29
NCT02653794 The Variations of Macular Thickness in Juvenile Subjects https://ClinicalTrials.gov/show/NCT02653794 Completed Sun Yat-sen University 2015-06-30
NCT02578524 Satisfaction With Multifocal vs Accommodating Lens Implants 2 Years After Surgery https://ClinicalTrials.gov/show/NCT02578524 Completed MDbackline, LLC 2015-10-31
NCT03404323 “Cataract Surgery in Eyes With Epiretinal Membrane” https://ClinicalTrials.gov/show/NCT03404323 Completed St John of God Hospital, Vienna 2016-07-01
NCT02028351 Vision Measured by the Vimetrics CVA Compared With Chart Testing Under Similar Luminance and Contrast Conditions https://ClinicalTrials.gov/show/NCT02028351 Completed Sinclair Technologies, LLC 2009-03-31
NCT02513134 Intraocular Lens Power Calculation Using Pre- and Intra-operative Measurements https://ClinicalTrials.gov/show/NCT02513134 Completed Vienna Institute for Research in Ocular Surgery 2015-01-31
NCT02490267 Quality of Life in Children Glaucoma and Cataract https://ClinicalTrials.gov/show/NCT02490267 Completed Moorfields Eye Hospital NHS Foundation Trust 2015-07-31
NCT02411487 Meibomian Gland Dysfunction (MGD) and Tear Cytokines After Cataract Surgery According to Preoperative Meibomian Gland Status https://ClinicalTrials.gov/show/NCT02411487 Completed Yonsei University 2015-08-03
NCT02396719 A Real-World Registry to Investigate the Performance of LenSx® Laser in Chinese Patients https://ClinicalTrials.gov/show/NCT02396719 Completed Alcon Research 2016-05-31
NCT02394379 Post Approval Study to Evaluate the Trulignâ„¢ Toric Posterior Chamber IOL https://ClinicalTrials.gov/show/NCT02394379 Completed Bausch & Lomb Incorporated 2019-08-05
NCT02270879 Multi-formula Optimization of Second Eye Refinement According to Direction of the Prediction Error of the First Eye https://ClinicalTrials.gov/show/NCT02270879 Completed Centro Hospitalar do Baixo Vouga 2014-07-31
NCT02253017 Evaluation of Therapeutic Strategies in Pediatric Cataract Surgery https://ClinicalTrials.gov/show/NCT02253017 Recruiting Assistance Publique - Hôpitaux de Paris 2022-09-30
NCT02208232 Observation of Rotation of an Intraocular Lens https://ClinicalTrials.gov/show/NCT02208232 Completed Medical University of Vienna 2012-12-31
NCT02203747 Patient Perception of Visual Distortions https://ClinicalTrials.gov/show/NCT02203747 Completed Abbott Medical Optics 2014-10-31
NCT02194543 High-Definition 3D Visualization System for Ophthalmic Surgery https://ClinicalTrials.gov/show/NCT02194543 Completed Yonsei University 2014-07-31
NCT02183831 Comparison of Clinical Outcomes After Cataract Surgery With and Without Capsular Tension Ring https://ClinicalTrials.gov/show/NCT02183831 Completed Yonsei University 2014-06-30
NCT02182921 Evaluation of Cataract Surgery Outcome https://ClinicalTrials.gov/show/NCT02182921 Recruiting Evidence Based Cataract Study Group 2024-12-31
NCT02155959 Performance of a Single-piece Toric Acrylic Intraocular Lens https://ClinicalTrials.gov/show/NCT02155959 Completed Vienna Institute for Research in Ocular Surgery 2012-12-31
NCT02124603 Microbiological Evaluation of the Ocular Flora Before Cataract Surgery https://ClinicalTrials.gov/show/NCT02124603 Completed SIFI SpA 2014-10-31
NCT02096627 Comparison of Femtosecond Laser Assisted Cataract Surgery to Conventional Phacoemulsification Cataract Surgery https://ClinicalTrials.gov/show/NCT02096627 Completed Johns Hopkins University 2018-11-30
NCT01305005 Effect of Phacoemulsification on Ocular Blood Flow in Human https://ClinicalTrials.gov/show/NCT01305005 Completed Wenzhou Medical University 2018-11-30
NCT02042755 Pilot Study With a Diffractive Trifocal IOL (POD AY 26P FineVision) https://ClinicalTrials.gov/show/NCT02042755 Completed Physiol 2016-05-31
NCT03355924 DMEK And Cataract Surgery: Comparison Of Sequential Versus Combined Procedure https://ClinicalTrials.gov/show/NCT03355924 Completed Centre Hospitalier Régional Metz-Thionville 2017-05-30
NCT01978106 Comparisons of the Astigmatic Power of Toric Intraocular Lens Using Three Toric Calculators: AcrySof, TECNIS, and iTrace Toric Calculator https://ClinicalTrials.gov/show/NCT01978106 Completed Yonsei University 2013-04-30
NCT01942642 Evaluation of Dry Eye and Meibomian Gland Dysfunction After Cataract Surgery https://ClinicalTrials.gov/show/NCT01942642 Completed Yonsei University 2013-04-30
NCT01902940 Natural History in CCFDN and IBM Syndromes https://ClinicalTrials.gov/show/NCT01902940 Completed Ludwig-Maximilians - University of Munich 2013-09-30
NCT01868217 A Retrospective Study to Investigate Prevalence of Capsular Bag Distention Syndrome and Its Influencing Factors https://ClinicalTrials.gov/show/NCT01868217 Completed Evidence Based Cataract Study Group 2013-03-31
NCT01867541 Intra-operative Measurements to Predict the Position of the Intraocular Lens Post-operatively https://ClinicalTrials.gov/show/NCT01867541 Completed Vienna Institute for Research in Ocular Surgery 2012-12-31
NCT01818037 Long-term Postoperative Outcomes After Bilateral Congenital Cataract Surgery in Eyes With Microphthalmos https://ClinicalTrials.gov/show/NCT01818037 Completed Iladevi Cataract and IOL Research Center 2013-03-31
NCT01729962 Comparative Study of the Optical Biometer for Measurements of the Eye https://ClinicalTrials.gov/show/NCT01729962 Completed Nidek Co. LTD. 2013-04-30
NCT01637740 Pseudoexfoliation Syndrome in Myopes https://ClinicalTrials.gov/show/NCT01637740 Completed General Hospital Sveti Duh 2012-01-31
NCT01601665 Post Approval Study of the AcrySof® IQ Toric Intraocular Lens (IOL) Models SN6AT6-SN6AT9 https://ClinicalTrials.gov/show/NCT01601665 Completed Alcon Research 2015-07-31
NCT01504607 Corneal Endothelial Changes Following Pediatric Cataract Surgery With IOL Implantation https://ClinicalTrials.gov/show/NCT01504607 Completed Iladevi Cataract and IOL Research Center 2011-10-31
NCT01471561 Analysis of Cataract Surgery Induced Dry Eye https://ClinicalTrials.gov/show/NCT01471561 Completed TearLab Corporation 2012-09-30
NCT01429532 Outcomes of 3 Incision-size-dependent Phacoemulsification Systems https://ClinicalTrials.gov/show/NCT01429532 Completed Sun Yat-sen University 2011-05-31
NCT01396629 Clinical Evaluation of a New Cartridge for the Implantation of Foldable Intraocular Lenses https://ClinicalTrials.gov/show/NCT01396629 Completed Aurolab 2012-09-30
NCT01384266 A Comparison of 0.5% Loteprednol Etabonate Versus 1% Prednisolone Acetate Following Cataract Surgery https://ClinicalTrials.gov/show/NCT01384266 Completed Associated Eye Care, Minnesota 2011-07-31
NCT01344226 Clinical Outcomes and Evaluation of Lotemax 0.5% in Treatment of Ocular Inflammation Associated With Cataract Surgery https://ClinicalTrials.gov/show/NCT01344226 Completed Toyos Clinic 2013-09-30
NCT01330797 The Effect of Ranibizumab on Eye Lens Opacity in Cases With Age-Related Macular Degeneration https://ClinicalTrials.gov/show/NCT01330797 Completed Uludag University 2010-10-31
NCT00594672 Age-Related Eye Disease Study (AREDS) Follow-Up https://ClinicalTrials.gov/show/NCT00594672 Active, not recruiting National Institutes of Health Clinical Center (CC) NA
NCT04443101 Effective Lens Position After Cataract Surgery https://ClinicalTrials.gov/show/NCT04443101 Recruiting Wenzhou Medical University 2020-12-30
NCT04441268 Longitudinal Changes in Refractive Error After Primary IOL Implantation Among Children With Congenital Cataract https://ClinicalTrials.gov/show/NCT04441268 Completed Sun Yat-sen University 2019-12-30
NCT04427748 Electrophysiology in Congenital Cataract After Lensectomy and Anterior https://ClinicalTrials.gov/show/NCT04427748 Completed Wenzhou Medical University 2019-09-12
NCT04387721 Influence of Residual Astigmatism on Visual Acuity in Patients Undergoing Cataract Surgery With Trifocal Intraocular Lens Implantation https://ClinicalTrials.gov/show/NCT04387721 Recruiting Clinica Oftalmologica TACIR 2020-03-01
NCT04353843 Identification of Clinical, Biometrical and Operatory Factors Related to Pain During Cataract Surgery https://ClinicalTrials.gov/show/NCT04353843 Recruiting University Hospital, Montpellier 2021-05-01
NCT04342052 Glaucoma After Congenital Cataract Surgery https://ClinicalTrials.gov/show/NCT04342052 Recruiting Sun Yat-sen University 2020-04-08
NCT04340635 Multi-center Ocular Biological Parameters Study https://ClinicalTrials.gov/show/NCT04340635 Recruiting Aier School of Ophthalmology, Central South University 2020-10-01
NCT04333056 Comparison Between Two Ss-OCT Biometry https://ClinicalTrials.gov/show/NCT04333056 Completed Vienna Institute for Research in Ocular Surgery 2019-07-31
NCT04290676 DEXYCU (Dexamethasone Intraocular Suspension) 9% Retrospective Study 001 https://ClinicalTrials.gov/show/NCT04290676 Completed EyePoint 2020-05-01
NCT04286646 Correlation of Pupillary Diameter Changewith Age and Anterior Chamber Depth After Cataract Surgery https://ClinicalTrials.gov/show/NCT04286646 Completed Clinica Oftalmologica TACIR 2018-06-21
NCT04274088 The Clinical Importance of Angle Alpha by Multifocal Intraocular Lenses. https://ClinicalTrials.gov/show/NCT04274088 Completed Hospital Hietzing 2016-10-31
NCT04224129 Characterization and Causative Factors of Negative Dysphotopsia https://ClinicalTrials.gov/show/NCT04224129 Recruiting Vienna Institute for Research in Ocular Surgery 2020-12-31
NCT04220255 Clinical Outcome at 5 Years After Implantation of the Liberty677MY Multifocal Intraocular Lens https://ClinicalTrials.gov/show/NCT04220255 Active, not recruiting Medicontur Medical Engineering Ltd 2020-12-31
NCT04196569 Trifocal Intraocular Lens (IOL) Aberrometry Outcomes https://ClinicalTrials.gov/show/NCT04196569 Recruiting Weill Medical College of Cornell University 2021-06-30
NCT04171518 A Real-World Evidence Study in China of the Catalys Precision Laser System https://ClinicalTrials.gov/show/NCT04171518 Recruiting Johnson & Johnson Surgical Vision, Inc. 2020-12-31
NCT04166578 Analgetic Effect of Two Solutions of Intracameral Anesthesia During Cataract Surgery in Patients https://ClinicalTrials.gov/show/NCT04166578 Completed Medical University of Lublin 2017-06-30
NCT04161963 Incidence of Sub-clinical Cystoid Macular Edema After Cataract Surgery https://ClinicalTrials.gov/show/NCT04161963 Recruiting University of Zurich 2021-12-31
NCT04146961 The PanOptix Trifocal IOL: A Study of Patient Satisfaction, Visual Disturbances, and Uncorrected Visual Performance https://ClinicalTrials.gov/show/NCT04146961 Recruiting Research Insight LLC 2020-06-01
NCT04143334 Prevalence of Blindness, Visual Impairment in Chao Nan Area, China https://ClinicalTrials.gov/show/NCT04143334 Completed Chinese University of Hong Kong 2015-12-01
NCT04140383 Cataract Surgery In Patients With Advanced Age https://ClinicalTrials.gov/show/NCT04140383 Completed Sakarya University 2017-12-02
NCT04131114 Glaucoma After Congenital And Infantile Cataract Surgery https://ClinicalTrials.gov/show/NCT04131114 Recruiting Sun Yat-sen University 2019-12-30
NCT04128514 Spectacle Independence and Overall Satisfaction With AcrySof® Panoptix® Toric Intraocular Lens https://ClinicalTrials.gov/show/NCT04128514 Enrolling by invitation Eye Center of North Florida 2020-10-08
NCT04126187 AcrySof® Bilateral PanOptix(R) Spectacle Freedom and Patient Satisfaction Study https://ClinicalTrials.gov/show/NCT04126187 Enrolling by invitation Gainesville Eye Associates 2020-10-31
NCT04124952 Evaluation of Quality of Vision and Spectacle Independence With the AcrySof® Panoptix® Intraocular Lens https://ClinicalTrials.gov/show/NCT04124952 Enrolling by invitation SightTrust Eye Institute 2020-10-02
NCT04120818 Inflammatory Cytokines in Congenital Cataract After Lensectomy and Anterior Vitrectomy https://ClinicalTrials.gov/show/NCT04120818 Completed Wenzhou Medical University 2017-02-12
NCT04072029 Risk Assessment for Progression to DMEK Following Cataract Surgery in Fuchs Endothelial Corneal Dystrophy https://ClinicalTrials.gov/show/NCT04072029 Completed Fundacion para la Investigacion Biomedica del Hospital Universitario Ramon y Cajal 2019-12-30
NCT04047485 Evaluation of the Effect of Cataract Surgery on Cognitive Function in Very Elderly Patients https://ClinicalTrials.gov/show/NCT04047485 Enrolling by invitation University of Modena and Reggio Emilia 2020-02-28
NCT03972670 Correlation Between Postoperative Central Corneal Thickness and Endothelial Damage After Cataract Surgery https://ClinicalTrials.gov/show/NCT03972670 Completed Centre Hospitalier Régional Metz-Thionville 2014-11-30
NCT03970525 Venturi and Peristaltic Based Phacoemulsification in Femtosecond Laser Cataract Surgery https://ClinicalTrials.gov/show/NCT03970525 Recruiting Mercy Research 2021-05-31
NCT03923283 The Measurements of End-tidal Carbondioxide Levels https://ClinicalTrials.gov/show/NCT03923283 Completed Duzce University 2016-12-31
NCT03905044 Clinical Characteristics in Congenital Cataract Eyes https://ClinicalTrials.gov/show/NCT03905044 Completed Wenzhou Medical University 2018-08-31
NCT03889652 Optical Coherence Tomography of Nerve Fiber Layer and Ganglion Cell Complex After Cataract Extraction https://ClinicalTrials.gov/show/NCT03889652 Completed Kasr El Aini Hospital 2019-01-30
NCT03876782 Level of Agreement of Intraocular Lens Power Measurements Between IOLMaster and Verion https://ClinicalTrials.gov/show/NCT03876782 Completed Democritus University of Thrace 2018-12-15
NCT03866629 The Effect Of Lifitegrast On Refractive Accuracy And Symptoms In Dry Eye Patients Undergoing Cataract Surgery https://ClinicalTrials.gov/show/NCT03866629 Completed MDbackline, LLC 2019-10-29
NCT03793101 Biaxial Microincision Cataract Surgery Technique https://ClinicalTrials.gov/show/NCT03793101 Active, not recruiting Eyemed Centrum Okulistyczne 2018-12-12
NCT03787576 Evaluating Patient Satisfaction After Cataract Surgery With Multifocal Intraocular Lens https://ClinicalTrials.gov/show/NCT03787576 Recruiting Clínica Rementería 2020-12-31
NCT02423668 Pseudophakic Anterior Chamber Depth Measurement in Second Eye Refinement Cataract Surgery https://ClinicalTrials.gov/show/NCT02423668 Completed Centro Hospitalar do Baixo Vouga 2015-03-31
NCT03706066 India PanOptix Post Marketing Study https://ClinicalTrials.gov/show/NCT03706066 Completed Alcon Research 2020-01-18
NCT03692728 Increased Risk of ADHD Among Children With Bilateral Congenital Cataracts https://ClinicalTrials.gov/show/NCT03692728 Completed Sun Yat-sen University 2016-12-01
NCT03689270 Corneal Edema After Phacoemulsification https://ClinicalTrials.gov/show/NCT03689270 Completed Centre Hospitalier Régional Metz-Thionville 2015-07-31
NCT03685825 Impact of Ophthalmic Surgeon Experience on Early Postoperative Central Corneal Thickness https://ClinicalTrials.gov/show/NCT03685825 Completed Centre Hospitalier Régional Metz-Thionville 2014-01-01
NCT03644875 Study of Etacoat in Patients With Cataract Surgery Via the Anterior Chamber https://ClinicalTrials.gov/show/NCT03644875 Completed Croma-Pharma GmbH 2019-05-16
NCT03644862 Study of Etafill in Patients With Cataract Surgery Via the Anterior Chamber https://ClinicalTrials.gov/show/NCT03644862 Completed Croma-Pharma GmbH 2019-12-23
NCT03584893 The Prevalence of CTX Disorder in Juvenile Cataract Cases in Turkey https://ClinicalTrials.gov/show/NCT03584893 Recruiting TRPHARM 2020-02-01
NCT03453827 Long-term Intraocular Lens (IOL) Decentration and Tilt in Eyes With Pseudoexfoliation Syndrome (PES) Following Cataract Surgery https://ClinicalTrials.gov/show/NCT03453827 Completed Hospital Hietzing 2017-04-28
NCT03470584 Vegetarian Diet and Chronic Degenerative Diseases https://ClinicalTrials.gov/show/NCT03470584 Completed Dalin Tzu Chi General Hospital 2005-12-30
NCT01256918 Study of Phacodepth Required for Safe and Effective Chop During Phacoemulsification for Cataract. https://ClinicalTrials.gov/show/NCT01256918 Completed Dr. Ram Manohar Lohia Hospital 2011-01-31
NCT01253239 Evaluation the TECNIS IOL in Both Eyes VS the ReZoom IOL in One and TECNIS IOL in the Opposite https://ClinicalTrials.gov/show/NCT01253239 Completed Bucci Laser Vision Institute 2015-07-31
NCT01244373 A Prospective Observational Case Series of a Four-ring-haptic Acrylic One-piece IOL https://ClinicalTrials.gov/show/NCT01244373 Completed General Hospital Linz 2009-08-31
NCT01220193 Evaluation of RTVue in Corneal Measurement https://ClinicalTrials.gov/show/NCT01220193 Completed Optovue 2010-12-31
NCT01215045 Visual Performance of Bilateral AcrySof ReSTOR Aspheric +4 https://ClinicalTrials.gov/show/NCT01215045 Completed Alcon Research 2008-05-31
NCT01214863 AcrySof Toric Clinical Results https://ClinicalTrials.gov/show/NCT01214863 Completed Alcon Research 2008-04-30
NCT01194310 Phaco vs. Phaco-ELT vs. Phaco-Trabectome 12m https://ClinicalTrials.gov/show/NCT01194310 Completed University of Zurich 2016-12-31
NCT01136473 Mechanism of Aphakic and Pseudophakic Glaucoma in Pediatric Patients https://ClinicalTrials.gov/show/NCT01136473 Completed Carmel Medical Center 2014-09-30
NCT01127711 Cohort of Swedish Men https://ClinicalTrials.gov/show/NCT01127711 Completed Karolinska Institutet 1997-12-31
NCT01127698 Swedish Mammography Cohort https://ClinicalTrials.gov/show/NCT01127698 Completed Karolinska Institutet 1990-12-31
NCT01078103 Corneal Endothelial Changes Associated With Phacoemulsification in Diabetes Mellitus Type II https://ClinicalTrials.gov/show/NCT01078103 Completed Frederiksberg University Hospital 2008-04-30
NCT01076309 Corneal Endothelium Cell Loss After Cataract Extraction in Patients Taking Tamsulosin https://ClinicalTrials.gov/show/NCT01076309 Completed Frederiksberg University Hospital 2010-09-30
NCT01069029 Combined Versus Successive Macular Hole and Cataract Surgery https://ClinicalTrials.gov/show/NCT01069029 Completed Centre Hospitalier Universitaire Dijon 2007-12-31
NCT01016405 Prospective Health Assessment of Cataract Patients’ Ocular Surface https://ClinicalTrials.gov/show/NCT01016405 Completed Innovative Medical 2010-09-30
NCT00974844 Posterior Assisted Levitation of Dropped Nucleus https://ClinicalTrials.gov/show/NCT00974844 Completed Dow University of Health Sciences 2011-03-31
NCT00842231 Assessment of Visual Performance in Patients With Low Levels of Astigmatism https://ClinicalTrials.gov/show/NCT00842231 Completed Alcon Research 2009-03-31
NCT00838942 Life From Vision in Alzheimer Disease https://ClinicalTrials.gov/show/NCT00838942 Completed Assistance Publique - Hôpitaux de Paris 2011-03-31
NCT02146599 Patient Perception of Visual Quality and Function https://ClinicalTrials.gov/show/NCT02146599 Completed Abbott Medical Optics 2014-07-31
NCT00806832 The Effects of Medical Clowning on Blood Pressure and Pulse Rate of Patients Undergoing Cataract Surgery Under Local Anesthesia https://ClinicalTrials.gov/show/NCT00806832 Completed HaEmek Medical Center, Israel 2009-04-30
NCT03497481 Neopterin Dosage in the Eye https://ClinicalTrials.gov/show/NCT03497481 Completed Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer 2019-01-25
NCT03016507 Intraocular Pressure Variation by Pneumatic Tonometer Before and After Phacoemulsification https://ClinicalTrials.gov/show/NCT03016507 Completed VER Excelência em Oftalmologia 2017-01-31
NCT03002688 OSUWMC EEI Sequential Cataract Patient Experience Project https://ClinicalTrials.gov/show/NCT03002688 Completed Ohio State University 2018-03-31
NCT00756327 AquaLase Capsule Wash for Pediatric Eyes https://ClinicalTrials.gov/show/NCT00756327 Completed Medical University of South Carolina 2009-06-30
NCT00733512 Surgeon Experience ReSTOR A +4 Intraocular Lens (IOL) https://ClinicalTrials.gov/show/NCT00733512 Completed Alcon Research 2008-03-31
NCT00720005 Evaluation of the Aspheric ReSTOR IOL After Routine Cataract Extraction https://ClinicalTrials.gov/show/NCT00720005 Completed Medical University of South Carolina 2008-12-31
NCT00710996 Blue Light Intraocular Lenses (IOLs) and Photostress https://ClinicalTrials.gov/show/NCT00710996 Completed Alcon Research 2008-10-31
NCT00621933 Surveillance of Ocular Surface Flora (SURFACE) https://ClinicalTrials.gov/show/NCT00621933 Completed Allergan 2008-10-31
NCT00565695 Evaluation of the Aspheric ReSTOR Intraocular Lens (IOL) After Routine Cataract Extraction https://ClinicalTrials.gov/show/NCT00565695 Completed Medical University of South Carolina NA
NCT00559234 Potential Research Participants for Future Studies of Inherited Eye Diseases https://ClinicalTrials.gov/show/NCT00559234 Completed National Institutes of Health Clinical Center (CC) NA
NCT00532051 Intraocular Lens Power Calculation After Laser Refractive Surgery Based on Optical Coherence Tomography https://ClinicalTrials.gov/show/NCT00532051 Recruiting Oregon Health and Science University 2023-07-31
NCT00494390 Evaluation Study for a Non-Contact Biometer https://ClinicalTrials.gov/show/NCT00494390 Completed University Hospital Inselspital, Berne 2008-03-31
NCT01061463 Occupational Cataracts and Lens Opacities in Interventional Cardiology : the O’CLOC Study https://ClinicalTrials.gov/show/NCT01061463 Completed Institut de Radioprotection et de Surete Nucleaire 2011-01-31
NCT00406263 Comparison of Scheimpflug Photos of the Crystalline Lens in Patients Who Have Undergone Vitrectomy Surgery and Controls https://ClinicalTrials.gov/show/NCT00406263 Completed Barnes Retina Institute 2010-10-31
NCT00366405 Comparison of the Torsional Handpiece to Conventional Handpiece During Routine Phacoemulsification https://ClinicalTrials.gov/show/NCT00366405 Completed Medical University of South Carolina NA
NCT00342342 Family Studies of Eye Traits https://ClinicalTrials.gov/show/NCT00342342 Completed National Institutes of Health Clinical Center (CC) 2020-04-17
NCT00289068 Phacoemulsification Sleeves https://ClinicalTrials.gov/show/NCT00289068 Completed University of Oklahoma 2006-04-30
NCT00218894 The Influence of Vision on Balance, Gait and Falls https://ClinicalTrials.gov/show/NCT00218894 Completed Norwegian University of Science and Technology 2008-03-31
NCT00081991 Dynamic Light Scattering for Studying Lens Aging and Cataract Formation https://ClinicalTrials.gov/show/NCT00081991 Completed National Institutes of Health Clinical Center (CC) NA
NCT00078299 Evaluation of the Age-Related Eye Disease Study (AREDS) Clinical Lens Grading System https://ClinicalTrials.gov/show/NCT00078299 Completed National Institutes of Health Clinical Center (CC) NA
NCT00067483 Pilot Study: Dynamic Light Scattering Device for Studying Early Changes in Cataract https://ClinicalTrials.gov/show/NCT00067483 Completed National Institutes of Health Clinical Center (CC) NA
NCT00056771 Clinical and Genetic Studies of Families With Congenital or Hereditary Cataracts https://ClinicalTrials.gov/show/NCT00056771 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001617 Test of QLS Device to Detect Early Cataracts https://ClinicalTrials.gov/show/NCT00001617 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001395 Long Term Follow-Up of Diabetic Retinopathy https://ClinicalTrials.gov/show/NCT00001395 Completed National Institutes of Health Clinical Center (CC) NA
NCT00042627 Prevalence and Risk of Cataracts in Granulocyte Donors https://ClinicalTrials.gov/show/NCT00042627 Completed National Institutes of Health Clinical Center (CC) NA
NCT00712231 Limitations of Using a Sheimpflug Image-Based Device for Measuring Anterior Chamber Depth in Pseudophakic Eyes https://ClinicalTrials.gov/show/NCT00712231 Completed Far Eastern Memorial Hospital 2008-02-29
NCT00007215 Dynamic Light Scattering Device (DLS) Study of Age-Related Changes in the Lens and Cataracts https://ClinicalTrials.gov/show/NCT00007215 Completed National Institutes of Health Clinical Center (CC) NA
NCT00005911 Magnetic Resonance Imaging to Study the Normal Eye https://ClinicalTrials.gov/show/NCT00005911 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001613 Cataract Surgery to Obtain Human Lens Material for the Study of Nuclear Cataracts https://ClinicalTrials.gov/show/NCT00001613 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001609 Studies of Families With Hereditary Cataracts https://ClinicalTrials.gov/show/NCT00001609 Completed National Institutes of Health Clinical Center (CC) NA

Registries

#If less then 500 registries

nct_id brief_title link overall_status source primary_completion_date
NCT03224728 Spherical Aberration on the Optical of Two Different Aspherical Intraocular Lenses https://ClinicalTrials.gov/show/NCT03224728 Completed Hospital Hietzing 2016-06-30
NCT03063216 Shanghai Pediatric Cataract Study https://ClinicalTrials.gov/show/NCT03063216 Recruiting Evidence Based Cataract Study Group 2025-12-31
NCT03062085 Shanghai High Myopia Study https://ClinicalTrials.gov/show/NCT03062085 Recruiting Shanghai High Myopia Study Group 2025-12-31
NCT03045367 Mid-term Evaluation of Metamorphopsia in Epiretinal Membrane Surgery https://ClinicalTrials.gov/show/NCT03045367 Completed Clinica Oculistica dell’Università di Torino 2016-10-31
NCT02633865 Patient Participation in Free Cataract Surgery https://ClinicalTrials.gov/show/NCT02633865 Completed Sun Yat-sen University 2014-08-31
NCT02567565 Evaluation of Tear Film Lipid Layer Thickness Change After Cataract Surgery https://ClinicalTrials.gov/show/NCT02567565 Completed Yonsei University 2015-10-31
NCT03385070 Salt Sensitivity Hypertension and Lens Opacities https://ClinicalTrials.gov/show/NCT03385070 Completed Kecioren Education and Training Hospital 2017-12-07
NCT01841437 Glaukos® iStent® Trabecular Micro-Bypass Stent System In Conjunction With Cataract Surgery Postmarket Registry https://ClinicalTrials.gov/show/NCT01841437 Completed Glaukos Corporation 2016-02-16
NCT01793168 Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford https://ClinicalTrials.gov/show/NCT01793168 Recruiting Sanford Health 2100-12-31
NCT04357249 Outcome of Capsular After Pediatric Cataract Surgery With Primary Intraocular Lens Implantation https://ClinicalTrials.gov/show/NCT04357249 Recruiting Wenzhou Medical University 2020-07-01
NCT04074954 A (Prospective/Pilot) Study Evaluating the Effect of Cataract Surgery on the Daily Activity Levels of Elderly Patients https://ClinicalTrials.gov/show/NCT04074954 Recruiting University of Pikeville 2020-07-31
NCT03907358 The Pathogenesis of Human Senile Cataract https://ClinicalTrials.gov/show/NCT03907358 Recruiting Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine 2019-12-30
NCT03903965 Comparison of Retinal Perfusion Between Diabetic and Non-diabetic Patients With OCT Angiography After Cataract Surgery. https://ClinicalTrials.gov/show/NCT03903965 Recruiting Peking University Third Hospital 2019-12-01
NCT03778086 Iridocorneal Angle and Anterior Segment Structure in Eyes of Children With Cataract https://ClinicalTrials.gov/show/NCT03778086 Completed Wenzhou Medical University 2018-06-01
NCT03640780 Practical Pattern of Surgical Timing of Childhood Cataract in China https://ClinicalTrials.gov/show/NCT03640780 Completed Sun Yat-sen University 2014-12-31
NCT00477685 Ologen (OculusGen)-Phacotrabeculectomy Historical Control Study in India https://ClinicalTrials.gov/show/NCT00477685 Completed Pro Top & Mediking Company Limited 2011-10-31